Home / 91,030.86-136,608.21-55,863.18

Finding the Fourth Proportional to 91,030.86, 136,608.21 and 55,863.18

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Solution

The fourth proportional to 91,030.86, 136,608.21 and 55,863.18 is: 83,832.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,030.86 : 136,608.21 = 55,863.18 : x
  2. Step 2: Convert to fraction form
    91,030.86/136,608.21 = 55,863.18/x
  3. Step 3: Cross multiply
    91,030.86x = 136,608.21 × 55,863.18
  4. Step 4: Simplify right side
    91,030.86x = 7,631,369,024.71
  5. Step 5: Solve for x
    x = 7,631,369,024.71/91,030.86
  6. Step 6: Final answer
    x = 83,832.77

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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.