Home / 75,150.03-112,801.02-66,657.17

Finding the Fourth Proportional to 75,150.03, 112,801.02 and 66,657.17

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Solution

The fourth proportional to 75,150.03, 112,801.02 and 66,657.17 is: 100,053.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,150.03 : 112,801.02 = 66,657.17 : x
  2. Step 2: Convert to fraction form
    75,150.03/112,801.02 = 66,657.17/x
  3. Step 3: Cross multiply
    75,150.03x = 112,801.02 × 66,657.17
  4. Step 4: Simplify right side
    75,150.03x = 7,518,996,798.35
  5. Step 5: Solve for x
    x = 7,518,996,798.35/75,150.03
  6. Step 6: Final answer
    x = 100,053.14

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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.