Home / 152,402.95-210,317.76-84,420.96

Finding the Fourth Proportional to 152,402.95, 210,317.76 and 84,420.96

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Solution

The fourth proportional to 152,402.95, 210,317.76 and 84,420.96 is: 116,501.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,402.95 : 210,317.76 = 84,420.96 : x
  2. Step 2: Convert to fraction form
    152,402.95/210,317.76 = 84,420.96/x
  3. Step 3: Cross multiply
    152,402.95x = 210,317.76 × 84,420.96
  4. Step 4: Simplify right side
    152,402.95x = 17,755,226,782.14
  5. Step 5: Solve for x
    x = 17,755,226,782.14/152,402.95
  6. Step 6: Final answer
    x = 116,501.86

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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.