Home / 242,572.02-334,720.33-139,200.90

Finding the Fourth Proportional to 242,572.02, 334,720.33 and 139,200.90

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Solution

The fourth proportional to 242,572.02, 334,720.33 and 139,200.90 is: 192,080.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,572.02 : 334,720.33 = 139,200.90 : x
  2. Step 2: Convert to fraction form
    242,572.02/334,720.33 = 139,200.90/x
  3. Step 3: Cross multiply
    242,572.02x = 334,720.33 × 139,200.90
  4. Step 4: Simplify right side
    242,572.02x = 46,593,371,184.30
  5. Step 5: Solve for x
    x = 46,593,371,184.30/242,572.02
  6. Step 6: Final answer
    x = 192,080.57

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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.