Home / 146,461.88-219,541.98-57,679.40

Finding the Fourth Proportional to 146,461.88, 219,541.98 and 57,679.40

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Solution

The fourth proportional to 146,461.88, 219,541.98 and 57,679.40 is: 86,459.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,461.88 : 219,541.98 = 57,679.40 : x
  2. Step 2: Convert to fraction form
    146,461.88/219,541.98 = 57,679.40/x
  3. Step 3: Cross multiply
    146,461.88x = 219,541.98 × 57,679.40
  4. Step 4: Simplify right side
    146,461.88x = 12,663,049,681.21
  5. Step 5: Solve for x
    x = 12,663,049,681.21/146,461.88
  6. Step 6: Final answer
    x = 86,459.70

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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.