Home / 98,282.19-147,423.28-28,161.50

Finding the Fourth Proportional to 98,282.19, 147,423.28 and 28,161.50

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Solution

The fourth proportional to 98,282.19, 147,423.28 and 28,161.50 is: 42,242.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,282.19 : 147,423.28 = 28,161.50 : x
  2. Step 2: Convert to fraction form
    98,282.19/147,423.28 = 28,161.50/x
  3. Step 3: Cross multiply
    98,282.19x = 147,423.28 × 28,161.50
  4. Step 4: Simplify right side
    98,282.19x = 4,151,660,699.72
  5. Step 5: Solve for x
    x = 4,151,660,699.72/98,282.19
  6. Step 6: Final answer
    x = 42,242.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.