Home / 152,428.75-210,353.15-84,447.17

Finding the Fourth Proportional to 152,428.75, 210,353.15 and 84,447.17

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Solution

The fourth proportional to 152,428.75, 210,353.15 and 84,447.17 is: 116,537.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,428.75 : 210,353.15 = 84,447.17 : x
  2. Step 2: Convert to fraction form
    152,428.75/210,353.15 = 84,447.17/x
  3. Step 3: Cross multiply
    152,428.75x = 210,353.15 × 84,447.17
  4. Step 4: Simplify right side
    152,428.75x = 17,763,726,744.08
  5. Step 5: Solve for x
    x = 17,763,726,744.08/152,428.75
  6. Step 6: Final answer
    x = 116,537.90

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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.