Home / 118,434.93-163,442.34-64,722.21

Finding the Fourth Proportional to 118,434.93, 163,442.34 and 64,722.21

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Solution

The fourth proportional to 118,434.93, 163,442.34 and 64,722.21 is: 89,317.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,434.93 : 163,442.34 = 64,722.21 : x
  2. Step 2: Convert to fraction form
    118,434.93/163,442.34 = 64,722.21/x
  3. Step 3: Cross multiply
    118,434.93x = 163,442.34 × 64,722.21
  4. Step 4: Simplify right side
    118,434.93x = 10,578,349,452.37
  5. Step 5: Solve for x
    x = 10,578,349,452.37/118,434.93
  6. Step 6: Final answer
    x = 89,317.82

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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.