Home / 209,095.76-288,488.58-118,437.32

Finding the Fourth Proportional to 209,095.76, 288,488.58 and 118,437.32

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Solution

The fourth proportional to 209,095.76, 288,488.58 and 118,437.32 is: 163,407.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,095.76 : 288,488.58 = 118,437.32 : x
  2. Step 2: Convert to fraction form
    209,095.76/288,488.58 = 118,437.32/x
  3. Step 3: Cross multiply
    209,095.76x = 288,488.58 × 118,437.32
  4. Step 4: Simplify right side
    209,095.76x = 34,167,814,265.81
  5. Step 5: Solve for x
    x = 34,167,814,265.81/209,095.76
  6. Step 6: Final answer
    x = 163,407.49

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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.