Home / 160,246.50-240,140.10-89,978.18

Finding the Fourth Proportional to 160,246.50, 240,140.10 and 89,978.18

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Solution

The fourth proportional to 160,246.50, 240,140.10 and 89,978.18 is: 134,838.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,246.50 : 240,140.10 = 89,978.18 : x
  2. Step 2: Convert to fraction form
    160,246.50/240,140.10 = 89,978.18/x
  3. Step 3: Cross multiply
    160,246.50x = 240,140.10 × 89,978.18
  4. Step 4: Simplify right side
    160,246.50x = 21,607,369,143.02
  5. Step 5: Solve for x
    x = 21,607,369,143.02/160,246.50
  6. Step 6: Final answer
    x = 134,838.32

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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.