Home / 90,386.10-135,567.57-23,831.46

Finding the Fourth Proportional to 90,386.10, 135,567.57 and 23,831.46

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Solution

The fourth proportional to 90,386.10, 135,567.57 and 23,831.46 is: 35,744.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,386.10 : 135,567.57 = 23,831.46 : x
  2. Step 2: Convert to fraction form
    90,386.10/135,567.57 = 23,831.46/x
  3. Step 3: Cross multiply
    90,386.10x = 135,567.57 × 23,831.46
  4. Step 4: Simplify right side
    90,386.10x = 3,230,773,121.75
  5. Step 5: Solve for x
    x = 3,230,773,121.75/90,386.10
  6. Step 6: Final answer
    x = 35,744.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.