Home / 170,746.10-235,519.65-103,678.10

Finding the Fourth Proportional to 170,746.10, 235,519.65 and 103,678.10

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Solution

The fourth proportional to 170,746.10, 235,519.65 and 103,678.10 is: 143,009.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,746.10 : 235,519.65 = 103,678.10 : x
  2. Step 2: Convert to fraction form
    170,746.10/235,519.65 = 103,678.10/x
  3. Step 3: Cross multiply
    170,746.10x = 235,519.65 × 103,678.10
  4. Step 4: Simplify right side
    170,746.10x = 24,418,229,824.67
  5. Step 5: Solve for x
    x = 24,418,229,824.67/170,746.10
  6. Step 6: Final answer
    x = 143,009.00

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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.