Home / 208,847.77-288,196.80-118,222.13

Finding the Fourth Proportional to 208,847.77, 288,196.80 and 118,222.13

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Solution

The fourth proportional to 208,847.77, 288,196.80 and 118,222.13 is: 163,139.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,847.77 : 288,196.80 = 118,222.13 : x
  2. Step 2: Convert to fraction form
    208,847.77/288,196.80 = 118,222.13/x
  3. Step 3: Cross multiply
    208,847.77x = 288,196.80 × 118,222.13
  4. Step 4: Simplify right side
    208,847.77x = 34,071,239,555.18
  5. Step 5: Solve for x
    x = 34,071,239,555.18/208,847.77
  6. Step 6: Final answer
    x = 163,139.11

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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.