Home / 158,812.93-219,152.03-87,192.55

Finding the Fourth Proportional to 158,812.93, 219,152.03 and 87,192.55

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Solution

The fourth proportional to 158,812.93, 219,152.03 and 87,192.55 is: 120,320.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,812.93 : 219,152.03 = 87,192.55 : x
  2. Step 2: Convert to fraction form
    158,812.93/219,152.03 = 87,192.55/x
  3. Step 3: Cross multiply
    158,812.93x = 219,152.03 × 87,192.55
  4. Step 4: Simplify right side
    158,812.93x = 19,108,423,897.41
  5. Step 5: Solve for x
    x = 19,108,423,897.41/158,812.93
  6. Step 6: Final answer
    x = 120,320.33

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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.