Home / 104,225.81-143,831.93-56,479.16

Finding the Fourth Proportional to 104,225.81, 143,831.93 and 56,479.16

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Solution

The fourth proportional to 104,225.81, 143,831.93 and 56,479.16 is: 77,941.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,225.81 : 143,831.93 = 56,479.16 : x
  2. Step 2: Convert to fraction form
    104,225.81/143,831.93 = 56,479.16/x
  3. Step 3: Cross multiply
    104,225.81x = 143,831.93 × 56,479.16
  4. Step 4: Simplify right side
    104,225.81x = 8,123,506,621.35
  5. Step 5: Solve for x
    x = 8,123,506,621.35/104,225.81
  6. Step 6: Final answer
    x = 77,941.41

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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.