Home / 127,130.19-175,439.66-70,550.67

Finding the Fourth Proportional to 127,130.19, 175,439.66 and 70,550.67

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Solution

The fourth proportional to 127,130.19, 175,439.66 and 70,550.67 is: 97,359.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,130.19 : 175,439.66 = 70,550.67 : x
  2. Step 2: Convert to fraction form
    127,130.19/175,439.66 = 70,550.67/x
  3. Step 3: Cross multiply
    127,130.19x = 175,439.66 × 70,550.67
  4. Step 4: Simplify right side
    127,130.19x = 12,377,385,557.57
  5. Step 5: Solve for x
    x = 12,377,385,557.57/127,130.19
  6. Step 6: Final answer
    x = 97,359.92

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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.