Home / 219,543.24-302,970.92-118,941.24

Finding the Fourth Proportional to 219,543.24, 302,970.92 and 118,941.24

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Solution

The fourth proportional to 219,543.24, 302,970.92 and 118,941.24 is: 164,139.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,543.24 : 302,970.92 = 118,941.24 : x
  2. Step 2: Convert to fraction form
    219,543.24/302,970.92 = 118,941.24/x
  3. Step 3: Cross multiply
    219,543.24x = 302,970.92 × 118,941.24
  4. Step 4: Simplify right side
    219,543.24x = 36,035,736,908.74
  5. Step 5: Solve for x
    x = 36,035,736,908.74/219,543.24
  6. Step 6: Final answer
    x = 164,139.59

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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.