Home / 152,631.80-228,947.70-47,461.40

Finding the Fourth Proportional to 152,631.80, 228,947.70 and 47,461.40

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Solution

The fourth proportional to 152,631.80, 228,947.70 and 47,461.40 is: 71,192.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,631.80 : 228,947.70 = 47,461.40 : x
  2. Step 2: Convert to fraction form
    152,631.80/228,947.70 = 47,461.40/x
  3. Step 3: Cross multiply
    152,631.80x = 228,947.70 × 47,461.40
  4. Step 4: Simplify right side
    152,631.80x = 10,866,178,368.78
  5. Step 5: Solve for x
    x = 10,866,178,368.78/152,631.80
  6. Step 6: Final answer
    x = 71,192.10

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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.