Home / 210,127-289,975.26-134,675.50

Finding the Fourth Proportional to 210,127, 289,975.26 and 134,675.50

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Solution

The fourth proportional to 210,127, 289,975.26 and 134,675.50 is: 185,852.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,127 : 289,975.26 = 134,675.50 : x
  2. Step 2: Convert to fraction form
    210,127/289,975.26 = 134,675.50/x
  3. Step 3: Cross multiply
    210,127x = 289,975.26 × 134,675.50
  4. Step 4: Simplify right side
    210,127x = 39,052,563,128.13
  5. Step 5: Solve for x
    x = 39,052,563,128.13/210,127
  6. Step 6: Final answer
    x = 185,852.19

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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.