Home / 152,273.79-210,135.28-84,289.31

Finding the Fourth Proportional to 152,273.79, 210,135.28 and 84,289.31

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Solution

The fourth proportional to 152,273.79, 210,135.28 and 84,289.31 is: 116,317.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,273.79 : 210,135.28 = 84,289.31 : x
  2. Step 2: Convert to fraction form
    152,273.79/210,135.28 = 84,289.31/x
  3. Step 3: Cross multiply
    152,273.79x = 210,135.28 × 84,289.31
  4. Step 4: Simplify right side
    152,273.79x = 17,712,156,496.46
  5. Step 5: Solve for x
    x = 17,712,156,496.46/152,273.79
  6. Step 6: Final answer
    x = 116,317.83

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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.