Home / 152,398.50-210,316.41-88,726.02

Finding the Fourth Proportional to 152,398.50, 210,316.41 and 88,726.02

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Solution

The fourth proportional to 152,398.50, 210,316.41 and 88,726.02 is: 122,445.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,398.50 : 210,316.41 = 88,726.02 : x
  2. Step 2: Convert to fraction form
    152,398.50/210,316.41 = 88,726.02/x
  3. Step 3: Cross multiply
    152,398.50x = 210,316.41 × 88,726.02
  4. Step 4: Simplify right side
    152,398.50x = 18,660,537,999.99
  5. Step 5: Solve for x
    x = 18,660,537,999.99/152,398.50
  6. Step 6: Final answer
    x = 122,445.68

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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.