Home / 118,409.36-163,407.27-64,697.71

Finding the Fourth Proportional to 118,409.36, 163,407.27 and 64,697.71

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Solution

The fourth proportional to 118,409.36, 163,407.27 and 64,697.71 is: 89,284.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,409.36 : 163,407.27 = 64,697.71 : x
  2. Step 2: Convert to fraction form
    118,409.36/163,407.27 = 64,697.71/x
  3. Step 3: Cross multiply
    118,409.36x = 163,407.27 × 64,697.71
  4. Step 4: Simplify right side
    118,409.36x = 10,572,076,166.35
  5. Step 5: Solve for x
    x = 10,572,076,166.35/118,409.36
  6. Step 6: Final answer
    x = 89,284.13

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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.