Home / 131,726.63-181,783.23-71,298.07

Finding the Fourth Proportional to 131,726.63, 181,783.23 and 71,298.07

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Solution

The fourth proportional to 131,726.63, 181,783.23 and 71,298.07 is: 98,391.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,726.63 : 181,783.23 = 71,298.07 : x
  2. Step 2: Convert to fraction form
    131,726.63/181,783.23 = 71,298.07/x
  3. Step 3: Cross multiply
    131,726.63x = 181,783.23 × 71,298.07
  4. Step 4: Simplify right side
    131,726.63x = 12,960,793,457.37
  5. Step 5: Solve for x
    x = 12,960,793,457.37/131,726.63
  6. Step 6: Final answer
    x = 98,391.60

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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.