Home / 86,348.71-119,159.40-48,108.21

Finding the Fourth Proportional to 86,348.71, 119,159.40 and 48,108.21

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Solution

The fourth proportional to 86,348.71, 119,159.40 and 48,108.21 is: 66,388.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,348.71 : 119,159.40 = 48,108.21 : x
  2. Step 2: Convert to fraction form
    86,348.71/119,159.40 = 48,108.21/x
  3. Step 3: Cross multiply
    86,348.71x = 119,159.40 × 48,108.21
  4. Step 4: Simplify right side
    86,348.71x = 5,732,545,438.67
  5. Step 5: Solve for x
    x = 5,732,545,438.67/86,348.71
  6. Step 6: Final answer
    x = 66,388.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.