Home / 155,569.66-233,276.28-90,674.96

Finding the Fourth Proportional to 155,569.66, 233,276.28 and 90,674.96

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Solution

The fourth proportional to 155,569.66, 233,276.28 and 90,674.96 is: 135,966.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,569.66 : 233,276.28 = 90,674.96 : x
  2. Step 2: Convert to fraction form
    155,569.66/233,276.28 = 90,674.96/x
  3. Step 3: Cross multiply
    155,569.66x = 233,276.28 × 90,674.96
  4. Step 4: Simplify right side
    155,569.66x = 21,152,316,434.60
  5. Step 5: Solve for x
    x = 21,152,316,434.60/155,569.66
  6. Step 6: Final answer
    x = 135,966.85

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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.