Home / 157,435.60-236,153.40-90,841.45

Finding the Fourth Proportional to 157,435.60, 236,153.40 and 90,841.45

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Solution

The fourth proportional to 157,435.60, 236,153.40 and 90,841.45 is: 136,262.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,435.60 : 236,153.40 = 90,841.45 : x
  2. Step 2: Convert to fraction form
    157,435.60/236,153.40 = 90,841.45/x
  3. Step 3: Cross multiply
    157,435.60x = 236,153.40 × 90,841.45
  4. Step 4: Simplify right side
    157,435.60x = 21,452,517,278.43
  5. Step 5: Solve for x
    x = 21,452,517,278.43/157,435.60
  6. Step 6: Final answer
    x = 136,262.18

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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.