Home / 212,521.48-293,281.56-117,031.60

Finding the Fourth Proportional to 212,521.48, 293,281.56 and 117,031.60

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Solution

The fourth proportional to 212,521.48, 293,281.56 and 117,031.60 is: 161,504.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,521.48 : 293,281.56 = 117,031.60 : x
  2. Step 2: Convert to fraction form
    212,521.48/293,281.56 = 117,031.60/x
  3. Step 3: Cross multiply
    212,521.48x = 293,281.56 × 117,031.60
  4. Step 4: Simplify right side
    212,521.48x = 34,323,210,217.30
  5. Step 5: Solve for x
    x = 34,323,210,217.30/212,521.48
  6. Step 6: Final answer
    x = 161,504.66

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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.