Home / 165,417.12-248,031.52-112,890.24

Finding the Fourth Proportional to 165,417.12, 248,031.52 and 112,890.24

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Solution

The fourth proportional to 165,417.12, 248,031.52 and 112,890.24 is: 169,271.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,417.12 : 248,031.52 = 112,890.24 : x
  2. Step 2: Convert to fraction form
    165,417.12/248,031.52 = 112,890.24/x
  3. Step 3: Cross multiply
    165,417.12x = 248,031.52 × 112,890.24
  4. Step 4: Simplify right side
    165,417.12x = 28,000,337,820.36
  5. Step 5: Solve for x
    x = 28,000,337,820.36/165,417.12
  6. Step 6: Final answer
    x = 169,271.10

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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.