Home / 90,913.54-136,326.56-38,294.32

Finding the Fourth Proportional to 90,913.54, 136,326.56 and 38,294.32

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Solution

The fourth proportional to 90,913.54, 136,326.56 and 38,294.32 is: 57,423.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,913.54 : 136,326.56 = 38,294.32 : x
  2. Step 2: Convert to fraction form
    90,913.54/136,326.56 = 38,294.32/x
  3. Step 3: Cross multiply
    90,913.54x = 136,326.56 × 38,294.32
  4. Step 4: Simplify right side
    90,913.54x = 5,220,532,913.14
  5. Step 5: Solve for x
    x = 5,220,532,913.14/90,913.54
  6. Step 6: Final answer
    x = 57,423.05

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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.