Home / 228,123.18-314,812.03-126,155.50

Finding the Fourth Proportional to 228,123.18, 314,812.03 and 126,155.50

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Solution

The fourth proportional to 228,123.18, 314,812.03 and 126,155.50 is: 174,095.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,123.18 : 314,812.03 = 126,155.50 : x
  2. Step 2: Convert to fraction form
    228,123.18/314,812.03 = 126,155.50/x
  3. Step 3: Cross multiply
    228,123.18x = 314,812.03 × 126,155.50
  4. Step 4: Simplify right side
    228,123.18x = 39,715,269,050.67
  5. Step 5: Solve for x
    x = 39,715,269,050.67/228,123.18
  6. Step 6: Final answer
    x = 174,095.72

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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.