Home / 152,745.08-229,117.41-86,154.98

Finding the Fourth Proportional to 152,745.08, 229,117.41 and 86,154.98

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Solution

The fourth proportional to 152,745.08, 229,117.41 and 86,154.98 is: 129,232.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,745.08 : 229,117.41 = 86,154.98 : x
  2. Step 2: Convert to fraction form
    152,745.08/229,117.41 = 86,154.98/x
  3. Step 3: Cross multiply
    152,745.08x = 229,117.41 × 86,154.98
  4. Step 4: Simplify right side
    152,745.08x = 19,739,604,730.61
  5. Step 5: Solve for x
    x = 19,739,604,730.61/152,745.08
  6. Step 6: Final answer
    x = 129,232.35

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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.