Home / 180,831.80-249,497.25-105,365.72

Finding the Fourth Proportional to 180,831.80, 249,497.25 and 105,365.72

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Solution

The fourth proportional to 180,831.80, 249,497.25 and 105,365.72 is: 145,375.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,831.80 : 249,497.25 = 105,365.72 : x
  2. Step 2: Convert to fraction form
    180,831.80/249,497.25 = 105,365.72/x
  3. Step 3: Cross multiply
    180,831.80x = 249,497.25 × 105,365.72
  4. Step 4: Simplify right side
    180,831.80x = 26,288,457,384.27
  5. Step 5: Solve for x
    x = 26,288,457,384.27/180,831.80
  6. Step 6: Final answer
    x = 145,375.19

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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.