Home / 137,088.18-205,632.27-58,257.77

Finding the Fourth Proportional to 137,088.18, 205,632.27 and 58,257.77

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Solution

The fourth proportional to 137,088.18, 205,632.27 and 58,257.77 is: 87,386.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,088.18 : 205,632.27 = 58,257.77 : x
  2. Step 2: Convert to fraction form
    137,088.18/205,632.27 = 58,257.77/x
  3. Step 3: Cross multiply
    137,088.18x = 205,632.27 × 58,257.77
  4. Step 4: Simplify right side
    137,088.18x = 11,979,676,462.08
  5. Step 5: Solve for x
    x = 11,979,676,462.08/137,088.18
  6. Step 6: Final answer
    x = 87,386.65

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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.