Home / 158,498.91-237,670.47-78,444.18

Finding the Fourth Proportional to 158,498.91, 237,670.47 and 78,444.18

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Solution

The fourth proportional to 158,498.91, 237,670.47 and 78,444.18 is: 117,627.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,498.91 : 237,670.47 = 78,444.18 : x
  2. Step 2: Convert to fraction form
    158,498.91/237,670.47 = 78,444.18/x
  3. Step 3: Cross multiply
    158,498.91x = 237,670.47 × 78,444.18
  4. Step 4: Simplify right side
    158,498.91x = 18,643,865,129.36
  5. Step 5: Solve for x
    x = 18,643,865,129.36/158,498.91
  6. Step 6: Final answer
    x = 117,627.72

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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.