Home / 210,637.07-290,608.18-119,928.86

Finding the Fourth Proportional to 210,637.07, 290,608.18 and 119,928.86

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Solution

The fourth proportional to 210,637.07, 290,608.18 and 119,928.86 is: 165,461.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,637.07 : 290,608.18 = 119,928.86 : x
  2. Step 2: Convert to fraction form
    210,637.07/290,608.18 = 119,928.86/x
  3. Step 3: Cross multiply
    210,637.07x = 290,608.18 × 119,928.86
  4. Step 4: Simplify right side
    210,637.07x = 34,852,308,160.77
  5. Step 5: Solve for x
    x = 34,852,308,160.77/210,637.07
  6. Step 6: Final answer
    x = 165,461.42

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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.