Home / 111,146.80-166,547.40-93,521.20

Finding the Fourth Proportional to 111,146.80, 166,547.40 and 93,521.20

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Solution

The fourth proportional to 111,146.80, 166,547.40 and 93,521.20 is: 140,136.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,146.80 : 166,547.40 = 93,521.20 : x
  2. Step 2: Convert to fraction form
    111,146.80/166,547.40 = 93,521.20/x
  3. Step 3: Cross multiply
    111,146.80x = 166,547.40 × 93,521.20
  4. Step 4: Simplify right side
    111,146.80x = 15,575,712,704.88
  5. Step 5: Solve for x
    x = 15,575,712,704.88/111,146.80
  6. Step 6: Final answer
    x = 140,136.40

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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.