Home / 163,122.24-224,870.40-115,291.20

Finding the Fourth Proportional to 163,122.24, 224,870.40 and 115,291.20

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Solution

The fourth proportional to 163,122.24, 224,870.40 and 115,291.20 is: 158,933.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,122.24 : 224,870.40 = 115,291.20 : x
  2. Step 2: Convert to fraction form
    163,122.24/224,870.40 = 115,291.20/x
  3. Step 3: Cross multiply
    163,122.24x = 224,870.40 × 115,291.20
  4. Step 4: Simplify right side
    163,122.24x = 25,925,578,260.48
  5. Step 5: Solve for x
    x = 25,925,578,260.48/163,122.24
  6. Step 6: Final answer
    x = 158,933.44

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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.