Home / 210,146.48-290,001.60-114,653.12

Finding the Fourth Proportional to 210,146.48, 290,001.60 and 114,653.12

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Solution

The fourth proportional to 210,146.48, 290,001.60 and 114,653.12 is: 158,221.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,146.48 : 290,001.60 = 114,653.12 : x
  2. Step 2: Convert to fraction form
    210,146.48/290,001.60 = 114,653.12/x
  3. Step 3: Cross multiply
    210,146.48x = 290,001.60 × 114,653.12
  4. Step 4: Simplify right side
    210,146.48x = 33,249,588,244.99
  5. Step 5: Solve for x
    x = 33,249,588,244.99/210,146.48
  6. Step 6: Final answer
    x = 158,221.01

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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.