Home / 248,015.46-342,259.65-134,838.21

Finding the Fourth Proportional to 248,015.46, 342,259.65 and 134,838.21

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Solution

The fourth proportional to 248,015.46, 342,259.65 and 134,838.21 is: 186,075.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,015.46 : 342,259.65 = 134,838.21 : x
  2. Step 2: Convert to fraction form
    248,015.46/342,259.65 = 134,838.21/x
  3. Step 3: Cross multiply
    248,015.46x = 342,259.65 × 134,838.21
  4. Step 4: Simplify right side
    248,015.46x = 46,149,678,561.23
  5. Step 5: Solve for x
    x = 46,149,678,561.23/248,015.46
  6. Step 6: Final answer
    x = 186,075.81

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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.