Home / 102,520.10-153,434.55-94,225.70

Finding the Fourth Proportional to 102,520.10, 153,434.55 and 94,225.70

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Solution

The fourth proportional to 102,520.10, 153,434.55 and 94,225.70 is: 141,020.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,520.10 : 153,434.55 = 94,225.70 : x
  2. Step 2: Convert to fraction form
    102,520.10/153,434.55 = 94,225.70/x
  3. Step 3: Cross multiply
    102,520.10x = 153,434.55 × 94,225.70
  4. Step 4: Simplify right side
    102,520.10x = 14,457,477,877.94
  5. Step 5: Solve for x
    x = 14,457,477,877.94/102,520.10
  6. Step 6: Final answer
    x = 141,020.91

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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.