Home / 118,337.16-177,467.40-39,430.20

Finding the Fourth Proportional to 118,337.16, 177,467.40 and 39,430.20

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Solution

The fourth proportional to 118,337.16, 177,467.40 and 39,430.20 is: 59,132.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,337.16 : 177,467.40 = 39,430.20 : x
  2. Step 2: Convert to fraction form
    118,337.16/177,467.40 = 39,430.20/x
  3. Step 3: Cross multiply
    118,337.16x = 177,467.40 × 39,430.20
  4. Step 4: Simplify right side
    118,337.16x = 6,997,575,075.48
  5. Step 5: Solve for x
    x = 6,997,575,075.48/118,337.16
  6. Step 6: Final answer
    x = 59,132.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.