Home / 163,614.30-245,421.45-84,752.70

Finding the Fourth Proportional to 163,614.30, 245,421.45 and 84,752.70

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Solution

The fourth proportional to 163,614.30, 245,421.45 and 84,752.70 is: 127,129.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,614.30 : 245,421.45 = 84,752.70 : x
  2. Step 2: Convert to fraction form
    163,614.30/245,421.45 = 84,752.70/x
  3. Step 3: Cross multiply
    163,614.30x = 245,421.45 × 84,752.70
  4. Step 4: Simplify right side
    163,614.30x = 20,800,130,525.42
  5. Step 5: Solve for x
    x = 20,800,130,525.42/163,614.30
  6. Step 6: Final answer
    x = 127,129.05

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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.