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Finding the Fourth Proportional to 88,816.30, 133,030.05 and 77,152.30

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Solution

The fourth proportional to 88,816.30, 133,030.05 and 77,152.30 is: 115,559.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,816.30 : 133,030.05 = 77,152.30 : x
  2. Step 2: Convert to fraction form
    88,816.30/133,030.05 = 77,152.30/x
  3. Step 3: Cross multiply
    88,816.30x = 133,030.05 × 77,152.30
  4. Step 4: Simplify right side
    88,816.30x = 10,263,574,326.62
  5. Step 5: Solve for x
    x = 10,263,574,326.62/88,816.30
  6. Step 6: Final answer
    x = 115,559.58

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1.5x scale

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.