Home / 84,988.16-127,525.08-60,187.60

Finding the Fourth Proportional to 84,988.16, 127,525.08 and 60,187.60

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Solution

The fourth proportional to 84,988.16, 127,525.08 and 60,187.60 is: 90,311.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,988.16 : 127,525.08 = 60,187.60 : x
  2. Step 2: Convert to fraction form
    84,988.16/127,525.08 = 60,187.60/x
  3. Step 3: Cross multiply
    84,988.16x = 127,525.08 × 60,187.60
  4. Step 4: Simplify right side
    84,988.16x = 7,675,428,505.01
  5. Step 5: Solve for x
    x = 7,675,428,505.01/84,988.16
  6. Step 6: Final answer
    x = 90,311.74

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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.