Home / 142,586.07-213,878.84-58,385.49

Finding the Fourth Proportional to 142,586.07, 213,878.84 and 58,385.49

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Solution

The fourth proportional to 142,586.07, 213,878.84 and 58,385.49 is: 87,578.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,586.07 : 213,878.84 = 58,385.49 : x
  2. Step 2: Convert to fraction form
    142,586.07/213,878.84 = 58,385.49/x
  3. Step 3: Cross multiply
    142,586.07x = 213,878.84 × 58,385.49
  4. Step 4: Simplify right side
    142,586.07x = 12,487,420,582.10
  5. Step 5: Solve for x
    x = 12,487,420,582.10/142,586.07
  6. Step 6: Final answer
    x = 87,578.12

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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.