Home / 170,437.90-235,426.89-138,292.65

Finding the Fourth Proportional to 170,437.90, 235,426.89 and 138,292.65

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Solution

The fourth proportional to 170,437.90, 235,426.89 and 138,292.65 is: 191,024.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,437.90 : 235,426.89 = 138,292.65 : x
  2. Step 2: Convert to fraction form
    170,437.90/235,426.89 = 138,292.65/x
  3. Step 3: Cross multiply
    170,437.90x = 235,426.89 × 138,292.65
  4. Step 4: Simplify right side
    170,437.90x = 32,557,808,499.36
  5. Step 5: Solve for x
    x = 32,557,808,499.36/170,437.90
  6. Step 6: Final answer
    x = 191,024.46

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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.