Home / 207,462.28-286,303.64-126,888.36

Finding the Fourth Proportional to 207,462.28, 286,303.64 and 126,888.36

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Solution

The fourth proportional to 207,462.28, 286,303.64 and 126,888.36 is: 175,109.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,462.28 : 286,303.64 = 126,888.36 : x
  2. Step 2: Convert to fraction form
    207,462.28/286,303.64 = 126,888.36/x
  3. Step 3: Cross multiply
    207,462.28x = 286,303.64 × 126,888.36
  4. Step 4: Simplify right side
    207,462.28x = 36,328,599,341.63
  5. Step 5: Solve for x
    x = 36,328,599,341.63/207,462.28
  6. Step 6: Final answer
    x = 175,109.42

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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.