Home / 118,450.53-163,441.13-70,701.03

Finding the Fourth Proportional to 118,450.53, 163,441.13 and 70,701.03

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Solution

The fourth proportional to 118,450.53, 163,441.13 and 70,701.03 is: 97,555.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,450.53 : 163,441.13 = 70,701.03 : x
  2. Step 2: Convert to fraction form
    118,450.53/163,441.13 = 70,701.03/x
  3. Step 3: Cross multiply
    118,450.53x = 163,441.13 × 70,701.03
  4. Step 4: Simplify right side
    118,450.53x = 11,555,455,881.86
  5. Step 5: Solve for x
    x = 11,555,455,881.86/118,450.53
  6. Step 6: Final answer
    x = 97,555.12

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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.