Home / 143,746.02-198,287.16-89,937.62

Finding the Fourth Proportional to 143,746.02, 198,287.16 and 89,937.62

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Solution

The fourth proportional to 143,746.02, 198,287.16 and 89,937.62 is: 124,062.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,746.02 : 198,287.16 = 89,937.62 : x
  2. Step 2: Convert to fraction form
    143,746.02/198,287.16 = 89,937.62/x
  3. Step 3: Cross multiply
    143,746.02x = 198,287.16 × 89,937.62
  4. Step 4: Simplify right side
    143,746.02x = 17,833,474,255.52
  5. Step 5: Solve for x
    x = 17,833,474,255.52/143,746.02
  6. Step 6: Final answer
    x = 124,062.39

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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.