Home / 219,132.18-302,402.43-118,530.18

Finding the Fourth Proportional to 219,132.18, 302,402.43 and 118,530.18

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Solution

The fourth proportional to 219,132.18, 302,402.43 and 118,530.18 is: 163,571.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,132.18 : 302,402.43 = 118,530.18 : x
  2. Step 2: Convert to fraction form
    219,132.18/302,402.43 = 118,530.18/x
  3. Step 3: Cross multiply
    219,132.18x = 302,402.43 × 118,530.18
  4. Step 4: Simplify right side
    219,132.18x = 35,843,814,460.34
  5. Step 5: Solve for x
    x = 35,843,814,460.34/219,132.18
  6. Step 6: Final answer
    x = 163,571.66

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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.