Home / 115,868.40-173,802.60-36,985.20

Finding the Fourth Proportional to 115,868.40, 173,802.60 and 36,985.20

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Solution

The fourth proportional to 115,868.40, 173,802.60 and 36,985.20 is: 55,477.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,868.40 : 173,802.60 = 36,985.20 : x
  2. Step 2: Convert to fraction form
    115,868.40/173,802.60 = 36,985.20/x
  3. Step 3: Cross multiply
    115,868.40x = 173,802.60 × 36,985.20
  4. Step 4: Simplify right side
    115,868.40x = 6,428,123,921.52
  5. Step 5: Solve for x
    x = 6,428,123,921.52/115,868.40
  6. Step 6: Final answer
    x = 55,477.80

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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.