Home / 209,095.47-288,557.91-118,464.30

Finding the Fourth Proportional to 209,095.47, 288,557.91 and 118,464.30

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Solution

The fourth proportional to 209,095.47, 288,557.91 and 118,464.30 is: 163,484.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,095.47 : 288,557.91 = 118,464.30 : x
  2. Step 2: Convert to fraction form
    209,095.47/288,557.91 = 118,464.30/x
  3. Step 3: Cross multiply
    209,095.47x = 288,557.91 × 118,464.30
  4. Step 4: Simplify right side
    209,095.47x = 34,183,810,817.61
  5. Step 5: Solve for x
    x = 34,183,810,817.61/209,095.47
  6. Step 6: Final answer
    x = 163,484.22

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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.