Home / 152,864.20-229,328.70-46,239.40

Finding the Fourth Proportional to 152,864.20, 229,328.70 and 46,239.40

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Solution

The fourth proportional to 152,864.20, 229,328.70 and 46,239.40 is: 69,368.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,864.20 : 229,328.70 = 46,239.40 : x
  2. Step 2: Convert to fraction form
    152,864.20/229,328.70 = 46,239.40/x
  3. Step 3: Cross multiply
    152,864.20x = 229,328.70 × 46,239.40
  4. Step 4: Simplify right side
    152,864.20x = 10,604,021,490.78
  5. Step 5: Solve for x
    x = 10,604,021,490.78/152,864.20
  6. Step 6: Final answer
    x = 69,368.90

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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.