Home / 98,444.40-147,666.60-90,841.20

Finding the Fourth Proportional to 98,444.40, 147,666.60 and 90,841.20

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Solution

The fourth proportional to 98,444.40, 147,666.60 and 90,841.20 is: 136,261.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,444.40 : 147,666.60 = 90,841.20 : x
  2. Step 2: Convert to fraction form
    98,444.40/147,666.60 = 90,841.20/x
  3. Step 3: Cross multiply
    98,444.40x = 147,666.60 × 90,841.20
  4. Step 4: Simplify right side
    98,444.40x = 13,414,211,143.92
  5. Step 5: Solve for x
    x = 13,414,211,143.92/98,444.40
  6. Step 6: Final answer
    x = 136,261.80

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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.