Home / 219,283.12-302,611.98-118,681.12

Finding the Fourth Proportional to 219,283.12, 302,611.98 and 118,681.12

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Solution

The fourth proportional to 219,283.12, 302,611.98 and 118,681.12 is: 163,780.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,283.12 : 302,611.98 = 118,681.12 : x
  2. Step 2: Convert to fraction form
    219,283.12/302,611.98 = 118,681.12/x
  3. Step 3: Cross multiply
    219,283.12x = 302,611.98 × 118,681.12
  4. Step 4: Simplify right side
    219,283.12x = 35,914,328,711.82
  5. Step 5: Solve for x
    x = 35,914,328,711.82/219,283.12
  6. Step 6: Final answer
    x = 163,780.64

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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.