Home / 155,781.20-233,671.80-96,424.40

Finding the Fourth Proportional to 155,781.20, 233,671.80 and 96,424.40

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Solution

The fourth proportional to 155,781.20, 233,671.80 and 96,424.40 is: 144,636.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,781.20 : 233,671.80 = 96,424.40 : x
  2. Step 2: Convert to fraction form
    155,781.20/233,671.80 = 96,424.40/x
  3. Step 3: Cross multiply
    155,781.20x = 233,671.80 × 96,424.40
  4. Step 4: Simplify right side
    155,781.20x = 22,531,663,111.92
  5. Step 5: Solve for x
    x = 22,531,663,111.92/155,781.20
  6. Step 6: Final answer
    x = 144,636.60

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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.