Home / 254,368.13-351,032.14-139,657.35

Finding the Fourth Proportional to 254,368.13, 351,032.14 and 139,657.35

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Solution

The fourth proportional to 254,368.13, 351,032.14 and 139,657.35 is: 192,729.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,368.13 : 351,032.14 = 139,657.35 : x
  2. Step 2: Convert to fraction form
    254,368.13/351,032.14 = 139,657.35/x
  3. Step 3: Cross multiply
    254,368.13x = 351,032.14 × 139,657.35
  4. Step 4: Simplify right side
    254,368.13x = 49,024,218,611.80
  5. Step 5: Solve for x
    x = 49,024,218,611.80/254,368.13
  6. Step 6: Final answer
    x = 192,729.40

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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.