Home / 152,947.80-229,421.70-47,777.40

Finding the Fourth Proportional to 152,947.80, 229,421.70 and 47,777.40

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Solution

The fourth proportional to 152,947.80, 229,421.70 and 47,777.40 is: 71,666.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,947.80 : 229,421.70 = 47,777.40 : x
  2. Step 2: Convert to fraction form
    152,947.80/229,421.70 = 47,777.40/x
  3. Step 3: Cross multiply
    152,947.80x = 229,421.70 × 47,777.40
  4. Step 4: Simplify right side
    152,947.80x = 10,961,172,329.58
  5. Step 5: Solve for x
    x = 10,961,172,329.58/152,947.80
  6. Step 6: Final answer
    x = 71,666.10

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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.