Home / 113,574.69-156,723.93-65,831.13

Finding the Fourth Proportional to 113,574.69, 156,723.93 and 65,831.13

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Solution

The fourth proportional to 113,574.69, 156,723.93 and 65,831.13 is: 90,841.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,574.69 : 156,723.93 = 65,831.13 : x
  2. Step 2: Convert to fraction form
    113,574.69/156,723.93 = 65,831.13/x
  3. Step 3: Cross multiply
    113,574.69x = 156,723.93 × 65,831.13
  4. Step 4: Simplify right side
    113,574.69x = 10,317,313,409.94
  5. Step 5: Solve for x
    x = 10,317,313,409.94/113,574.69
  6. Step 6: Final answer
    x = 90,841.66

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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.