Home / 149,477.40-224,216.10-78,302.70

Finding the Fourth Proportional to 149,477.40, 224,216.10 and 78,302.70

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Solution

The fourth proportional to 149,477.40, 224,216.10 and 78,302.70 is: 117,454.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,477.40 : 224,216.10 = 78,302.70 : x
  2. Step 2: Convert to fraction form
    149,477.40/224,216.10 = 78,302.70/x
  3. Step 3: Cross multiply
    149,477.40x = 224,216.10 × 78,302.70
  4. Step 4: Simplify right side
    149,477.40x = 17,556,726,013.47
  5. Step 5: Solve for x
    x = 17,556,726,013.47/149,477.40
  6. Step 6: Final answer
    x = 117,454.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.