Home / 145,433.47-200,649.93-118,529.74

Finding the Fourth Proportional to 145,433.47, 200,649.93 and 118,529.74

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Solution

The fourth proportional to 145,433.47, 200,649.93 and 118,529.74 is: 163,531.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,433.47 : 200,649.93 = 118,529.74 : x
  2. Step 2: Convert to fraction form
    145,433.47/200,649.93 = 118,529.74/x
  3. Step 3: Cross multiply
    145,433.47x = 200,649.93 × 118,529.74
  4. Step 4: Simplify right side
    145,433.47x = 23,782,984,033.92
  5. Step 5: Solve for x
    x = 23,782,984,033.92/145,433.47
  6. Step 6: Final answer
    x = 163,531.71

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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.