Home / 90,162.36-124,526.16-61,432.20

Finding the Fourth Proportional to 90,162.36, 124,526.16 and 61,432.20

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Solution

The fourth proportional to 90,162.36, 124,526.16 and 61,432.20 is: 84,846.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,162.36 : 124,526.16 = 61,432.20 : x
  2. Step 2: Convert to fraction form
    90,162.36/124,526.16 = 61,432.20/x
  3. Step 3: Cross multiply
    90,162.36x = 124,526.16 × 61,432.20
  4. Step 4: Simplify right side
    90,162.36x = 7,649,915,966.35
  5. Step 5: Solve for x
    x = 7,649,915,966.35/90,162.36
  6. Step 6: Final answer
    x = 84,846.00

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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.