Home / 170,387.04-234,980.64-106,730.40

Finding the Fourth Proportional to 170,387.04, 234,980.64 and 106,730.40

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Solution

The fourth proportional to 170,387.04, 234,980.64 and 106,730.40 is: 147,191.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,387.04 : 234,980.64 = 106,730.40 : x
  2. Step 2: Convert to fraction form
    170,387.04/234,980.64 = 106,730.40/x
  3. Step 3: Cross multiply
    170,387.04x = 234,980.64 × 106,730.40
  4. Step 4: Simplify right side
    170,387.04x = 25,079,577,699.46
  5. Step 5: Solve for x
    x = 25,079,577,699.46/170,387.04
  6. Step 6: Final answer
    x = 147,191.82

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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.