Home / 126,957.18-175,206.87-70,369.50

Finding the Fourth Proportional to 126,957.18, 175,206.87 and 70,369.50

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Solution

The fourth proportional to 126,957.18, 175,206.87 and 70,369.50 is: 97,113.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,957.18 : 175,206.87 = 70,369.50 : x
  2. Step 2: Convert to fraction form
    126,957.18/175,206.87 = 70,369.50/x
  3. Step 3: Cross multiply
    126,957.18x = 175,206.87 × 70,369.50
  4. Step 4: Simplify right side
    126,957.18x = 12,329,219,838.47
  5. Step 5: Solve for x
    x = 12,329,219,838.47/126,957.18
  6. Step 6: Final answer
    x = 97,113.21

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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.