Home / 163,038.48-224,897.54-102,513.20

Finding the Fourth Proportional to 163,038.48, 224,897.54 and 102,513.20

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Solution

The fourth proportional to 163,038.48, 224,897.54 and 102,513.20 is: 141,408.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,038.48 : 224,897.54 = 102,513.20 : x
  2. Step 2: Convert to fraction form
    163,038.48/224,897.54 = 102,513.20/x
  3. Step 3: Cross multiply
    163,038.48x = 224,897.54 × 102,513.20
  4. Step 4: Simplify right side
    163,038.48x = 23,054,966,497.53
  5. Step 5: Solve for x
    x = 23,054,966,497.53/163,038.48
  6. Step 6: Final answer
    x = 141,408.13

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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.