Home / 219,149.72-302,426.30-118,547.80

Finding the Fourth Proportional to 219,149.72, 302,426.30 and 118,547.80

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Solution

The fourth proportional to 219,149.72, 302,426.30 and 118,547.80 is: 163,595.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,149.72 : 302,426.30 = 118,547.80 : x
  2. Step 2: Convert to fraction form
    219,149.72/302,426.30 = 118,547.80/x
  3. Step 3: Cross multiply
    219,149.72x = 302,426.30 × 118,547.80
  4. Step 4: Simplify right side
    219,149.72x = 35,851,972,527.14
  5. Step 5: Solve for x
    x = 35,851,972,527.14/219,149.72
  6. Step 6: Final answer
    x = 163,595.79

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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.