Home / 212,095.40-292,688.51-115,296.04

Finding the Fourth Proportional to 212,095.40, 292,688.51 and 115,296.04

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Solution

The fourth proportional to 212,095.40, 292,688.51 and 115,296.04 is: 159,106.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,095.40 : 292,688.51 = 115,296.04 : x
  2. Step 2: Convert to fraction form
    212,095.40/292,688.51 = 115,296.04/x
  3. Step 3: Cross multiply
    212,095.40x = 292,688.51 × 115,296.04
  4. Step 4: Simplify right side
    212,095.40x = 33,745,826,156.50
  5. Step 5: Solve for x
    x = 33,745,826,156.50/212,095.40
  6. Step 6: Final answer
    x = 159,106.83

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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.