Home / 145,263.42-200,000.07-123,957.18

Finding the Fourth Proportional to 145,263.42, 200,000.07 and 123,957.18

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Solution

The fourth proportional to 145,263.42, 200,000.07 and 123,957.18 is: 170,665.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,263.42 : 200,000.07 = 123,957.18 : x
  2. Step 2: Convert to fraction form
    145,263.42/200,000.07 = 123,957.18/x
  3. Step 3: Cross multiply
    145,263.42x = 200,000.07 × 123,957.18
  4. Step 4: Simplify right side
    145,263.42x = 24,791,444,677.00
  5. Step 5: Solve for x
    x = 24,791,444,677.00/145,263.42
  6. Step 6: Final answer
    x = 170,665.43

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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.