Home / 163,613.50-245,423.28-51,291.20

Finding the Fourth Proportional to 163,613.50, 245,423.28 and 51,291.20

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Solution

The fourth proportional to 163,613.50, 245,423.28 and 51,291.20 is: 76,937.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,613.50 : 245,423.28 = 51,291.20 : x
  2. Step 2: Convert to fraction form
    163,613.50/245,423.28 = 51,291.20/x
  3. Step 3: Cross multiply
    163,613.50x = 245,423.28 × 51,291.20
  4. Step 4: Simplify right side
    163,613.50x = 12,588,054,539.14
  5. Step 5: Solve for x
    x = 12,588,054,539.14/163,613.50
  6. Step 6: Final answer
    x = 76,937.75

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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.