Home / 101,378.06-139,897.76-60,549.11

Finding the Fourth Proportional to 101,378.06, 139,897.76 and 60,549.11

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Solution

The fourth proportional to 101,378.06, 139,897.76 and 60,549.11 is: 83,555.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,378.06 : 139,897.76 = 60,549.11 : x
  2. Step 2: Convert to fraction form
    101,378.06/139,897.76 = 60,549.11/x
  3. Step 3: Cross multiply
    101,378.06x = 139,897.76 × 60,549.11
  4. Step 4: Simplify right side
    101,378.06x = 8,470,683,856.76
  5. Step 5: Solve for x
    x = 8,470,683,856.76/101,378.06
  6. Step 6: Final answer
    x = 83,555.40

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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.