Home / 118,737.63-163,855.95-64,289.35

Finding the Fourth Proportional to 118,737.63, 163,855.95 and 64,289.35

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Solution

The fourth proportional to 118,737.63, 163,855.95 and 64,289.35 is: 88,718.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,737.63 : 163,855.95 = 64,289.35 : x
  2. Step 2: Convert to fraction form
    118,737.63/163,855.95 = 64,289.35/x
  3. Step 3: Cross multiply
    118,737.63x = 163,855.95 × 64,289.35
  4. Step 4: Simplify right side
    118,737.63x = 10,534,192,197.69
  5. Step 5: Solve for x
    x = 10,534,192,197.69/118,737.63
  6. Step 6: Final answer
    x = 88,718.23

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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.