Home / 152,985.13-229,282.98-86,462.35

Finding the Fourth Proportional to 152,985.13, 229,282.98 and 86,462.35

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Solution

The fourth proportional to 152,985.13, 229,282.98 and 86,462.35 is: 129,583.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,985.13 : 229,282.98 = 86,462.35 : x
  2. Step 2: Convert to fraction form
    152,985.13/229,282.98 = 86,462.35/x
  3. Step 3: Cross multiply
    152,985.13x = 229,282.98 × 86,462.35
  4. Step 4: Simplify right side
    152,985.13x = 19,824,345,265.80
  5. Step 5: Solve for x
    x = 19,824,345,265.80/152,985.13
  6. Step 6: Final answer
    x = 129,583.48

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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.