Home / 133,062.46-183,598.78-76,462.90

Finding the Fourth Proportional to 133,062.46, 183,598.78 and 76,462.90

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Solution

The fourth proportional to 133,062.46, 183,598.78 and 76,462.90 is: 105,503.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,062.46 : 183,598.78 = 76,462.90 : x
  2. Step 2: Convert to fraction form
    133,062.46/183,598.78 = 76,462.90/x
  3. Step 3: Cross multiply
    133,062.46x = 183,598.78 × 76,462.90
  4. Step 4: Simplify right side
    133,062.46x = 14,038,495,155.26
  5. Step 5: Solve for x
    x = 14,038,495,155.26/133,062.46
  6. Step 6: Final answer
    x = 105,503.05

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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.