Home / 212,011.12-292,582.36-116,521.20

Finding the Fourth Proportional to 212,011.12, 292,582.36 and 116,521.20

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Solution

The fourth proportional to 212,011.12, 292,582.36 and 116,521.20 is: 160,803.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,011.12 : 292,582.36 = 116,521.20 : x
  2. Step 2: Convert to fraction form
    212,011.12/292,582.36 = 116,521.20/x
  3. Step 3: Cross multiply
    212,011.12x = 292,582.36 × 116,521.20
  4. Step 4: Simplify right side
    212,011.12x = 34,092,047,686.03
  5. Step 5: Solve for x
    x = 34,092,047,686.03/212,011.12
  6. Step 6: Final answer
    x = 160,803.11

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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.