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Finding the Fourth Proportional to 145,095.76, 200,303.04 and 112,754.08

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Solution

The fourth proportional to 145,095.76, 200,303.04 and 112,754.08 is: 155,655.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,095.76 : 200,303.04 = 112,754.08 : x
  2. Step 2: Convert to fraction form
    145,095.76/200,303.04 = 112,754.08/x
  3. Step 3: Cross multiply
    145,095.76x = 200,303.04 × 112,754.08
  4. Step 4: Simplify right side
    145,095.76x = 22,584,984,996.40
  5. Step 5: Solve for x
    x = 22,584,984,996.40/145,095.76
  6. Step 6: Final answer
    x = 155,655.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.