Home / 112,730.40-169,095.60-102,362.40

Finding the Fourth Proportional to 112,730.40, 169,095.60 and 102,362.40

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Solution

The fourth proportional to 112,730.40, 169,095.60 and 102,362.40 is: 153,543.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,730.40 : 169,095.60 = 102,362.40 : x
  2. Step 2: Convert to fraction form
    112,730.40/169,095.60 = 102,362.40/x
  3. Step 3: Cross multiply
    112,730.40x = 169,095.60 × 102,362.40
  4. Step 4: Simplify right side
    112,730.40x = 17,309,031,445.44
  5. Step 5: Solve for x
    x = 17,309,031,445.44/112,730.40
  6. Step 6: Final answer
    x = 153,543.60

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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.