Home / 213,088.47-294,172.64-155,663.32

Finding the Fourth Proportional to 213,088.47, 294,172.64 and 155,663.32

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Solution

The fourth proportional to 213,088.47, 294,172.64 and 155,663.32 is: 214,896.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,088.47 : 294,172.64 = 155,663.32 : x
  2. Step 2: Convert to fraction form
    213,088.47/294,172.64 = 155,663.32/x
  3. Step 3: Cross multiply
    213,088.47x = 294,172.64 × 155,663.32
  4. Step 4: Simplify right side
    213,088.47x = 45,791,889,795.56
  5. Step 5: Solve for x
    x = 45,791,889,795.56/213,088.47
  6. Step 6: Final answer
    x = 214,896.14

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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.