Home / 117,830.60-162,607.86-64,117.16

Finding the Fourth Proportional to 117,830.60, 162,607.86 and 64,117.16

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Solution

The fourth proportional to 117,830.60, 162,607.86 and 64,117.16 is: 88,482.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,830.60 : 162,607.86 = 64,117.16 : x
  2. Step 2: Convert to fraction form
    117,830.60/162,607.86 = 64,117.16/x
  3. Step 3: Cross multiply
    117,830.60x = 162,607.86 × 64,117.16
  4. Step 4: Simplify right side
    117,830.60x = 10,425,954,176.88
  5. Step 5: Solve for x
    x = 10,425,954,176.88/117,830.60
  6. Step 6: Final answer
    x = 88,482.57

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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.