Home / 125,160.72-187,444.62-98,688.30

Finding the Fourth Proportional to 125,160.72, 187,444.62 and 98,688.30

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Solution

The fourth proportional to 125,160.72, 187,444.62 and 98,688.30 is: 147,798.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,160.72 : 187,444.62 = 98,688.30 : x
  2. Step 2: Convert to fraction form
    125,160.72/187,444.62 = 98,688.30/x
  3. Step 3: Cross multiply
    125,160.72x = 187,444.62 × 98,688.30
  4. Step 4: Simplify right side
    125,160.72x = 18,498,590,891.95
  5. Step 5: Solve for x
    x = 18,498,590,891.95/125,160.72
  6. Step 6: Final answer
    x = 147,798.69

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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.