Home / 209,360.68-288,852.54-118,709.53

Finding the Fourth Proportional to 209,360.68, 288,852.54 and 118,709.53

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Solution

The fourth proportional to 209,360.68, 288,852.54 and 118,709.53 is: 163,782.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,360.68 : 288,852.54 = 118,709.53 : x
  2. Step 2: Convert to fraction form
    209,360.68/288,852.54 = 118,709.53/x
  3. Step 3: Cross multiply
    209,360.68x = 288,852.54 × 118,709.53
  4. Step 4: Simplify right side
    209,360.68x = 34,289,549,262.71
  5. Step 5: Solve for x
    x = 34,289,549,262.71/209,360.68
  6. Step 6: Final answer
    x = 163,782.18

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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.