Home / 116,260.19-160,437.66-65,271.66

Finding the Fourth Proportional to 116,260.19, 160,437.66 and 65,271.66

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Solution

The fourth proportional to 116,260.19, 160,437.66 and 65,271.66 is: 90,074.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,260.19 : 160,437.66 = 65,271.66 : x
  2. Step 2: Convert to fraction form
    116,260.19/160,437.66 = 65,271.66/x
  3. Step 3: Cross multiply
    116,260.19x = 160,437.66 × 65,271.66
  4. Step 4: Simplify right side
    116,260.19x = 10,472,031,915.46
  5. Step 5: Solve for x
    x = 10,472,031,915.46/116,260.19
  6. Step 6: Final answer
    x = 90,074.10

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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.